Abstract: The process of digitalization of the economy causes significant changes in the theory and practice of accounting. This follows the rapid development of artificial intelligence, the spread of computer technologies, and the modernization of economic process management systems. There is an emerging necessity to create a unified information environment and adapt accounting to the new conditions. The transformation of accounting in conditions of digitalization has theoretical and practical aspects that require in-depth research. The issues of the impact of artificial intelligence, machine learning, and other innovative technologies on the accounting system, the methodological foundations of its adaptation to the needs of business management in the context of digitalization, improvement of methods of collecting, processing, and analyzing accounting information, as well as information security and confidentiality of accounting data in the digital environment require research. The article elaborates on the theoretical foundations and practical approaches to the transformation of accounting in the context of digitalization to fully meet the needs of effective management, particularly operational management. The authors consider modern IT products and systems that are implemented in business processes and determine their impact on the efficiency of operational management. It is found that digitalization leads to some crucial changes in accounting, including automation of routine tasks and optimization of accounting processes, creation of a single information space for data processing and analysis, strengthening the role of analytics and data-driven management decision-making, and increasing the level of transparency and information openness of business. It is proved that the transformation of the accounting system is a means of achieving a level of analysis depth, reliability, timeliness, and transparency of accounting information that can provide the needs of effective management to achieve the competitiveness of the enterprise in the business environment.